Taxonomic notes on the genus Millettia (Fabaceae: Millettieae) in Vietnam Author Song, Zhu-Qiu 0000-0002-7763-2431 Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, P. R. China & South China National Botanical Garden, Guangzhou, P. R. China & songzhuqiu @ scbg. ac. cn; https: // orcid. org / 0000 - 0002 - 7763 - 2431 songzhuqiu@scbg.ac.cn Author Li, Shi-Jin 0000-0002-6596-5124 Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, P. R. China & South China National Botanical Garden, Guangzhou, P. R. China & lisj @ scib. ac. cn; https: // orcid. org / 0000 - 0002 - 6596 - 5124 lisj@scib.ac.cn Author Vu, Quang Nam 0000-0002-8044-7923 College of Forestry Biotechnology, Vietnam National University of Forestry, Xuanmai, Hanoi, Vietnam. & namvq @ vnuf. edu. vn; https: // orcid. org / 0000 - 0002 - 8044 - 7923 namvq@vnuf.edu.vn Author Khang, Nguyen Sinh 0000-0001-5171-4140 Department of Plant Resources, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi, Vietnam. & nskhang @ gmail. com; https: // orcid. org / 0000 - 0001 - 5171 - 4140 nskhang@gmail.com text Phytotaxa 2022 2022-11-03 571 2 169 185 http://dx.doi.org/10.11646/phytotaxa.571.2.4 journal article 179308 10.11646/phytotaxa.571.2.4 c07ef978-e55d-4f79-bee7-f31a2690885f 1179-3163 7284336 1. Derris taiwaniana (Hayata) Z.Q. Song in Song & Pan (2022: 238) . Millettia taiwaniana (Hayata) Hayata (1920: 22) Pongamia taiwaniana Hayata (1913: 79) Whitfordiodendron taiwanianum (Hayata) Ohwi (1936: 660) . Type: CHINA . Taiwan , Taibei , Sankakuyu , 1902, K. Nagai s.n. ( syntype , not seen) ; CHINA . Taiwan , 13 March , S. Yokoyama 27 ( syntype , K001414935 !) . = Millettia pachycarpa Bentham (1852: 250) . Type:INDIA . Upper Assam . C. Jenkins s.n. ( lectotype : K001415586!, designated by Song & Pan 2022: 238 ; isolectotypes: CAL0000008147 image!, K001415584!, K001415585!, L0019105 image!, NY!, P 02141837 image!, P 02141838 image!).